Heat treated
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6110-01-116-0073
NSN 5965-00-009-8679
NSN 5835-01-558-9444
NSN 5925-01-005-4983
NSN 6620-01-658-1082
NSN 5960-01-425-1454
NSN 5915-01-419-2843
NSN 5920-01-092-1148
NSN 6145-01-576-9609
NSN 6110-00-816-9715
NSN 7035-01-125-7357
NSN 5855-01-041-3432